| Patents Granted on 1961-03-?? |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 2,973,674 | Mar. 07, 1961 | J.A. Hladik | Drilling fixture for spherical objects | |
| 2,973,727 | Mar. 07, 1961 | R.D. Northcote | Pulverised Fuel Burner | stationary boilers |
| 2,974,080 | Mar. 07, 1961 | W. Trible | Process of Construction of Machine Tools | milling machines |
| CA-616,380 | Mar. 14, 1961 | R.D. Northcote, J.A. Tatem | Boilers | stationary boilers |
| 2,974,417 | Mar. 14, 1961 | J.F. Prince | Precision Measuring Instrument | precision squares |
| 2,974,451 | Mar. 14, 1961 | W. Bader, R.W. Berry, Jr., F.K. Beyer | Grinding machine accessory | grinding attachments |
| 2,974,672 | Mar. 14, 1961 | G.B. Fox | Washing machine | |
| 2,974,693 | Mar. 14, 1961 | H. Goldschmidt, J.W. Edgemond, Jr. | Sliding table saw | tablesaws |
| CA-616,652 | Mar. 21, 1961 | J. Klink, F.H. Czaplinski, E.H. Aldeborgh | Three-Wire Thread Measuring Gauge | |
| 2,975,523 | Mar. 21, 1961 | G.H. Soucy | Micrometer Frame | |
| 2,975,701 | Mar. 21, 1961 | F.E. Munschauer, Jr., G.E. Munschauer, E.A. Munschauer, Jr. | Power press with shiftable bolster means | punch presses |
| 2,976,436 | Mar. 21, 1961 | N. Anton | Multi-speed drill | handheld power drills |
| 2,976,438 | Mar. 21, 1961 | F.G. Luber, R.I. Robinson, A.M. Moody | Electric gear-motor drive unit | gear motors |
| GB-863,684 | Mar. 22, 1961 | W.L. Bower | Improvements in magnetic work holders | surface grinders |
| AT-214,230 | Mar. 27, 1961 | H. Deckel, F.W. Deckel | Device for tool fastening | |
