Patents for Knight Engineering & Sales Co.


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Patents for Knight Engineering & Sales Co.
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	D58,117	Jun. 07, 1921	A.H. Sweetland	Design for an electrically-operated hand-drill
	1,411,538	Apr. 04, 1922	A.H. Sweetland	Hand drill
	CA-221,357	Jul. 25, 1922	A.H. Sweetland	Hand drill