Eastman MFR.

Eastman MFR. Company Info Price to 1961

1930-1932

Joseph Eastman invents three types of Hose Couplings. Patent # 1,926,270 A, 1,969,548 A, and 1,954,989 A. It is unclear which design took precedence for use in the 1930’s.

1934

Hose Coupling

Patent # 2,031,833 A

1934-1935

Eastman continues making improvements or Hose Couplings. See patent #’s 2,086,703 A, and 2,031,883 A.

Patent # 2,184,116 A

 

Joseph Eastman’s last Patent.

1937

Eastman MFR had no other patents recorded.

1938-1961

Patent Info
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