Inventor
RAMMER DOUGLAS R
US3 patents
Patents
3 patentsUS5852909ADec 29, 1998
Localized notch reinforcement for wooden beams
US AGRICULTURE11 citations70
US5720143AFeb 24, 1998
Localized notch reinforcement for wooden beams
US AGRICULTURE9 citations70
US8041150B2Oct 18, 2011
Method and apparatus for determining the surface area of a threaded fastener
US AGRICULTURE0 citations39