Roland E. Cale — 6 Patents at Schaefer Equipment

Roland E. Cale has been granted 6 US patents while listed as an inventor at Schaefer Equipment. The first was granted in 1980 and the most recent in July 1985. Roland E. Cale ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Roland E. Cale in Cortland, OH, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
4531665	Method of manufacturing clevis end connecting rod	—	1985-07-30
4414726	Method of manufacturing clevis end connecting rod	—	1983-11-15
4274277	Method of making railway car brake-rod jaw	—	1981-06-23
4204419	Brake-rod jaw with twisted forks	—	1980-05-27
4196642	Railway car brake-rod jaw	—	1980-04-08
4194599	Railway car brake beam lever mounting	—	1980-03-25

Roland E. Cale — 6 Patents

Issued Patents All Time

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